CA1211381A - Defined-coverage loudspeaker horn - Google Patents

Defined-coverage loudspeaker horn

Info

Publication number
CA1211381A
CA1211381A CA000454803A CA454803A CA1211381A CA 1211381 A CA1211381 A CA 1211381A CA 000454803 A CA000454803 A CA 000454803A CA 454803 A CA454803 A CA 454803A CA 1211381 A CA1211381 A CA 1211381A
Authority
CA
Canada
Prior art keywords
side walls
radiating
gap
horn
target
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000454803A
Other languages
English (en)
French (fr)
Inventor
D. Broadus Keele, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harman Professional Inc
Original Assignee
JBL Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JBL Inc filed Critical JBL Inc
Application granted granted Critical
Publication of CA1211381A publication Critical patent/CA1211381A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Adornments (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CA000454803A 1983-10-05 1984-05-22 Defined-coverage loudspeaker horn Expired CA1211381A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US539,351 1983-10-05
US06/539,351 US4580655A (en) 1983-10-05 1983-10-05 Defined coverage loudspeaker horn

Publications (1)

Publication Number Publication Date
CA1211381A true CA1211381A (en) 1986-09-16

Family

ID=24150855

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000454803A Expired CA1211381A (en) 1983-10-05 1984-05-22 Defined-coverage loudspeaker horn

Country Status (10)

Country Link
US (1) US4580655A (xx)
EP (1) EP0140465B1 (xx)
JP (1) JPH0728460B2 (xx)
KR (1) KR920003265B1 (xx)
AT (1) ATE42015T1 (xx)
CA (1) CA1211381A (xx)
DE (1) DE3408778A1 (xx)
FR (1) FR2553249B1 (xx)
GB (1) GB2147775B (xx)
IN (1) IN161076B (xx)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020630A (en) * 1989-12-08 1991-06-04 Electro-Voice, Inc. Loudspeaker and horn therefor
US6112847A (en) * 1999-03-15 2000-09-05 Clair Brothers Audio Enterprises, Inc. Loudspeaker with differentiated energy distribution in vertical and horizontal planes
US6394223B1 (en) 1999-03-12 2002-05-28 Clair Brothers Audio Enterprises, Inc. Loudspeaker with differential energy distribution in vertical and horizontal planes
US6513622B1 (en) * 1999-11-02 2003-02-04 Harman International Industries, Incorporated Full-range loudspeaker system for cinema screen
US7936892B2 (en) 2002-01-14 2011-05-03 Harman International Industries, Incorporated Constant coverage waveguide
US7684574B2 (en) * 2003-05-27 2010-03-23 Harman International Industries, Incorporated Reflective loudspeaker array
US7826622B2 (en) * 2003-05-27 2010-11-02 Harman International Industries, Incorporated Constant-beamwidth loudspeaker array
DE10333539A1 (de) * 2003-07-23 2005-02-24 Zimmer Ag Verfahren zur Reinigung von Caprolactam aus Polyamidhaltigen Abfällen mittels UV-Bestrahlung
US7590257B1 (en) 2004-12-22 2009-09-15 Klipsch, Llc Axially propagating horn array for a loudspeaker
US7275621B1 (en) * 2005-01-18 2007-10-02 Klipsch, Llc Skew horn for a loudspeaker
NL1030661C2 (nl) * 2005-12-13 2007-06-14 Paulus Theodorus Maria Bercken Luidspreker voorzien van een luidsprekerhoorn, luidsprekerhoorn voor een luidspreker.
US20080059132A1 (en) * 2006-09-04 2008-03-06 Krix Loudspeakers Pty Ltd Method of designing a sound waveguide surface
US7686129B2 (en) * 2007-08-30 2010-03-30 Klipsch Llc Acoustic horn having internally raised geometric shapes
EP2208357A4 (en) 2007-10-22 2012-11-14 David Maeshiba ACOUSTIC SYSTEM
GB2455563B (en) * 2007-12-14 2012-03-21 Tannoy Ltd Acoustical horn
US8917896B2 (en) * 2009-09-11 2014-12-23 Bose Corporation Automated customization of loudspeakers
US9111521B2 (en) 2009-09-11 2015-08-18 Bose Corporation Modular acoustic horns and horn arrays
US7837006B1 (en) * 2009-11-04 2010-11-23 Graber Curtis E Enhanced spectrum acoustic energy projection system
US9049519B2 (en) 2011-02-18 2015-06-02 Bose Corporation Acoustic horn gain managing
ES2692888T3 (es) * 2011-09-07 2018-12-05 Irobot Corporation Sistema SONAR para un vehículo autónomo
CN104041071B (zh) 2012-01-09 2017-10-27 哈曼国际工业有限公司 扬声器号筒
CN105659625B (zh) * 2013-10-16 2019-03-05 邦及奥卢夫森公司 用于重新分布声能的设备
US9754578B2 (en) * 2014-01-09 2017-09-05 Dolby Laboratories Licensing Corporation Loudspeaker horn and cabinet
WO2015161891A1 (en) * 2014-04-25 2015-10-29 Woox Innovations Belgium Nv Acoustical waveguide
US9571923B2 (en) 2015-01-19 2017-02-14 Harman International Industries, Incorporated Acoustic waveguide
US10848862B2 (en) 2016-06-29 2020-11-24 Dolby Laboratories Licensing Corporation Asymmetrical high-frequency waveguide, 3-axis rigging, and spherical enclosure for surround speakers
US11012773B2 (en) * 2018-09-04 2021-05-18 Samsung Electronics Co., Ltd. Waveguide for smooth off-axis frequency response
US10797666B2 (en) 2018-09-06 2020-10-06 Samsung Electronics Co., Ltd. Port velocity limiter for vented box loudspeakers
US11356773B2 (en) 2020-10-30 2022-06-07 Samsung Electronics, Co., Ltd. Nonlinear control of a loudspeaker with a neural network
US11564032B2 (en) * 2021-04-30 2023-01-24 Harman International Industries, Incorporated Speaker system with asymmetrical coverage horn
US12041414B1 (en) * 2023-08-15 2024-07-16 Perlisten Audio Llc Directivity pattern control waveguide for a speaker, and speaker including a directivity pattern control waveguide

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1381430A (en) * 1920-02-25 1921-06-14 Phipps Edward Amplifier for phonographs and the like
GB227545A (en) * 1923-10-24 1925-01-22 Charles Stewart Forbes Improvements in or relating to trumpets or horns for wireless apparatus, gramophonesand other sound amplifying, recording and reproducing instruments
US1767679A (en) * 1927-05-24 1930-06-24 Acoustic Products Company Truncated horn speaker having plurality of chambers
BE424560A (xx) * 1936-11-13
US2537141A (en) * 1945-06-15 1951-01-09 Paul W Klipsch Loud-speaker horn
US2690231A (en) * 1950-03-09 1954-09-28 Univ Loudspeakers Inc Acoustic device
US4071112A (en) * 1975-09-30 1978-01-31 Electro-Voice, Incorporated Horn loudspeaker
US4187926A (en) * 1977-06-27 1980-02-12 Altec Corporation Loudspeaker horn
US4174019A (en) * 1978-03-20 1979-11-13 Kramer Justin A Dual speaker
JPS5576587U (xx) * 1978-11-20 1980-05-27
US4308932A (en) * 1980-05-06 1982-01-05 James B. Lansing Sound, Inc. ("Jbl") Loudspeaker horn
JPS5920238B2 (ja) * 1980-10-30 1984-05-11 松下電器産業株式会社 ホ−ンスピ−カ

Also Published As

Publication number Publication date
GB2147775B (en) 1987-06-10
DE3408778C2 (xx) 1991-11-28
JPH0728460B2 (ja) 1995-03-29
EP0140465A2 (en) 1985-05-08
FR2553249A1 (fr) 1985-04-12
EP0140465A3 (en) 1986-03-19
GB2147775A (en) 1985-05-15
ATE42015T1 (de) 1989-04-15
GB8403891D0 (en) 1984-03-21
KR920003265B1 (ko) 1992-04-25
DE3408778A1 (de) 1985-04-25
EP0140465B1 (en) 1989-04-05
IN161076B (xx) 1987-10-03
FR2553249B1 (fr) 1987-02-20
US4580655A (en) 1986-04-08
JPS6081999A (ja) 1985-05-10
KR850003099A (ko) 1985-05-28

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Legal Events

Date Code Title Description
MKEX Expiry